19979936

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{9319}}^1$

素因数の和:9396

約数の個数: 24

約数和(自身を含む): 39926880

約数和(自身を除く): 19946944

約数列:

[1, 2, 4, 8, 16, 32, 67, 134, 268, 536, 1072, 2144, 9319, 18638, 37276, 74552, 149104, 298208, 624373, 1248746, 2497492, 4994984, 9989968, 19979936]

約数ペア:

[(1, 19979936), (2, 9989968), (4, 4994984), (8, 2497492), (16, 1248746), (32, 624373), (67, 298208), (134, 149104), (268, 74552), (536, 37276), (1072, 18638), (2144, 9319)]